31.   The tree died long ago, and they planted a new one.

32.   The tree eventually dies from the continued sapping of nutrients, as well as from toxins injected by the bug.

33.   The trees died.

34.   Three times as many trees are dying as are harvested.

35.   Trees are dying.

36.   Trees rarely die, even if infected year after year.

37.   Undiseased beech trees normally die by uprooting, offering a fresh pit for plants to invade.

38.   When a thermokarst develops the swampy water fills it, and the trees die.

39.   When an olive tree dies, new shoots emerge around the base and grow into a new tree.

40.   Weaker trees already have died.